Originally Posted by loonyloaf
Wait ill take your word for it. But why is that?
Guns without detents need a tighter bore size to keep paint from rolling down the barrel. A gun with detents will keep the ball in the chamber for you, so upping your bore size will cut down on barrel breaks. You can usually get away with a tight bore but event paint is more brittle than practice paint. Might lose some efficiency but most of us have air next to the field so that's becoming less of an issue.